Home / 8,910.40-13,365.44-3,716.48

Finding the Fourth Proportional to 8,910.40, 13,365.44 and 3,716.48

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Solution

The fourth proportional to 8,910.40, 13,365.44 and 3,716.48 is: 5,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.40 : 13,365.44 = 3,716.48 : x
  2. Step 2: Convert to fraction form
    8,910.40/13,365.44 = 3,716.48/x
  3. Step 3: Cross multiply
    8,910.40x = 13,365.44 × 3,716.48
  4. Step 4: Simplify right side
    8,910.40x = 49,672,390.45
  5. Step 5: Solve for x
    x = 49,672,390.45/8,910.40
  6. Step 6: Final answer
    x = 5,574.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.